N1-(4-chlorophenyl)-3,12-diimino-N14-phenyl-2,4,11,13-Tetraazatetradecanediimidamide-d5 is an isotope labelled analog of N1-(4-chlorophenyl)-3,12-diimino-N14-phenyl-2,4,11,13-Tetraazatetradecanediimidamide. N1-(4-chlorophenyl)-3,12-diimino-N14-phenyl-2,4,11,13-Tetraazatetradecanediimidamide is an impurity of Chlorhexidine Digluconate (C292770). Chlorhexidine gluconate is an antimicrobial irrigant that is used as an antiseptic for the skin in the healthcare industry. It is used in hospitals to prevent infection of patients during surgeries and can also be found in mouth rinses.